rules.mak: drop unneeded macros
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
parent
d3ca592b3c
commit
484e2cc730
1
.gitignore
vendored
1
.gitignore
vendored
@ -80,7 +80,6 @@
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*.msi
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*.dll
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*.so
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*.mo
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*.fn
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*.ky
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*.log
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7
Makefile
7
Makefile
@ -142,7 +142,7 @@ endif
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include $(SRC_PATH)/tests/Makefile.include
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all: recurse-all modules
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all: recurse-all
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# LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC
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DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" LIBFDT_lib=""
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@ -197,7 +197,7 @@ clean: recurse-clean ninja-clean clean-ctlist
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-test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean
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# avoid old build problems by removing potentially incorrect old files
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rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
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find . \( -name '*.so' -o -name '*.dll' -o -name '*.mo' -o -name '*.[oda]' \) -type f \
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find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \
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! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
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! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
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! -path ./roms/edk2/BaseTools/Source/Python/UPT/Dll/sqlite3.dll \
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@ -382,9 +382,6 @@ print-help = $(quiet-@)$(call print-help-run,$1,$2)
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help:
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@echo 'Generic targets:'
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$(call print-help,all,Build all)
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ifdef CONFIG_MODULES
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$(call print-help,modules,Build all modules)
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endif
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$(call print-help,dir/file.o,Build specified target only)
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$(call print-help,install,Install QEMU, documentation and tools)
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$(call print-help,ctags/TAGS,Generate tags file for editors)
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55
configure
vendored
55
configure
vendored
@ -78,7 +78,6 @@ TMPC="${TMPDIR1}/${TMPB}.c"
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TMPO="${TMPDIR1}/${TMPB}.o"
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TMPCXX="${TMPDIR1}/${TMPB}.cxx"
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TMPE="${TMPDIR1}/${TMPB}.exe"
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TMPMO="${TMPDIR1}/${TMPB}.mo"
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TMPTXT="${TMPDIR1}/${TMPB}.txt"
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rm -f config.log
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@ -469,7 +468,7 @@ bigendian="no"
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mingw32="no"
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gcov="no"
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EXESUF=""
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DSOSUF=".so"
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HOST_DSOSUF=".so"
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LDFLAGS_SHARED="-shared"
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modules="no"
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module_upgrades="no"
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@ -1001,7 +1000,7 @@ fi
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if test "$mingw32" = "yes" ; then
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EXESUF=".exe"
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DSOSUF=".dll"
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HOST_DSOSUF=".dll"
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# MinGW needs -mthreads for TLS and macro _MT.
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CFLAGS="-mthreads $CFLAGS"
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LIBS="-lwinmm -lws2_32 $LIBS"
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@ -6255,31 +6254,6 @@ EOF
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fi
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fi
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#################################################
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# Sparc implicitly links with --relax, which is
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# incompatible with -r, so --no-relax should be
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# given. It does no harm to give it on other
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# platforms too.
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# Note: the prototype is needed since QEMU_CFLAGS
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# contains -Wmissing-prototypes
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cat > $TMPC << EOF
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extern int foo(void);
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int foo(void) { return 0; }
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EOF
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if ! compile_object ""; then
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error_exit "Failed to compile object file for LD_REL_FLAGS test"
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fi
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for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do
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if do_cc -nostdlib $i -o $TMPMO $TMPO; then
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LD_REL_FLAGS=$i
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break
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fi
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done
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if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then
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feature_not_found "modules" "Cannot find how to build relocatable objects"
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fi
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##########################################
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# check for sysmacros.h
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@ -7011,12 +6985,7 @@ fi
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echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
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for drv in $audio_drv_list; do
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def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
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case "$drv" in
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alsa | oss | pa | sdl)
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echo "$def=m" >> $config_host_mak ;;
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*)
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echo "$def=y" >> $config_host_mak ;;
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esac
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echo "$def=y" >> $config_host_mak
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done
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if test "$alsa" = "yes" ; then
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echo "CONFIG_ALSA=y" >> $config_host_mak
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@ -7105,7 +7074,7 @@ if test "$iconv" = "yes" ; then
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echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
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fi
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if test "$curses" = "yes" ; then
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echo "CONFIG_CURSES=m" >> $config_host_mak
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echo "CONFIG_CURSES=y" >> $config_host_mak
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echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
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echo "CURSES_LIBS=$curses_lib" >> $config_host_mak
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fi
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@ -7200,7 +7169,7 @@ if test "$bswap_h" = "yes" ; then
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echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
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fi
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if test "$curl" = "yes" ; then
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echo "CONFIG_CURL=m" >> $config_host_mak
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echo "CONFIG_CURL=y" >> $config_host_mak
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echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
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echo "CURL_LIBS=$curl_libs" >> $config_host_mak
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fi
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@ -7209,7 +7178,7 @@ if test "$brlapi" = "yes" ; then
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echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak
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fi
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if test "$gtk" = "yes" ; then
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echo "CONFIG_GTK=m" >> $config_host_mak
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echo "CONFIG_GTK=y" >> $config_host_mak
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echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
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echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
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if test "$gtk_gl" = "yes" ; then
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@ -7472,13 +7441,13 @@ if test "$zstd" = "yes" ; then
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fi
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if test "$libiscsi" = "yes" ; then
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echo "CONFIG_LIBISCSI=m" >> $config_host_mak
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echo "CONFIG_LIBISCSI=y" >> $config_host_mak
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echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
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echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
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fi
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if test "$libnfs" = "yes" ; then
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echo "CONFIG_LIBNFS=m" >> $config_host_mak
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echo "CONFIG_LIBNFS=y" >> $config_host_mak
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echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak
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fi
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@ -7500,7 +7469,7 @@ if test "$qom_cast_debug" = "yes" ; then
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echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
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fi
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if test "$rbd" = "yes" ; then
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echo "CONFIG_RBD=m" >> $config_host_mak
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echo "CONFIG_RBD=y" >> $config_host_mak
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echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
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fi
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@ -7572,7 +7541,7 @@ if test "$getauxval" = "yes" ; then
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fi
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if test "$glusterfs" = "yes" ; then
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echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
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echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
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echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
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echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
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fi
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@ -7602,7 +7571,7 @@ if test "$glusterfs_iocb_has_stat" = "yes" ; then
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fi
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if test "$libssh" = "yes" ; then
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echo "CONFIG_LIBSSH=m" >> $config_host_mak
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echo "CONFIG_LIBSSH=y" >> $config_host_mak
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echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
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echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak
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fi
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@ -7862,7 +7831,7 @@ echo "LIBS+=$LIBS" >> $config_host_mak
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echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
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echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak
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echo "EXESUF=$EXESUF" >> $config_host_mak
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echo "DSOSUF=$DSOSUF" >> $config_host_mak
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echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
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echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
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echo "LIBS_QGA=$libs_qga" >> $config_host_mak
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echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
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@ -404,10 +404,7 @@ using Makefile.target for the build rules.
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- rules.mak
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This file provides the generic helper rules for invoking build tools, in
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particular the compiler and linker. This also contains the magic (hairy)
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'unnest-vars' function which is used to merge the variable definitions
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from all Makefile.objs in the source tree down into the main Makefile
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context.
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particular the compiler and linker.
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- default-configs/*.mak
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231
rules.mak
231
rules.mak
@ -33,11 +33,6 @@ QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d
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# different for target-dependent ones.
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QEMU_LOCAL_INCLUDES = -iquote $(BUILD_DIR) -iquote $(BUILD_DIR)/$(@D) -iquote $(@D)
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WL_U := -Wl,-u,
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find-symbols = $(if $1, $(sort $(shell $(NM) -P -g $1 | $2)))
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defined-symbols = $(call find-symbols,$1,awk '$$2!="U"{print $$1}')
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undefined-symbols = $(call find-symbols,$1,awk '$$2=="U"{print $$1}')
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WL := -Wl,
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ifdef CONFIG_DARWIN
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whole-archive = $(WL)-force_load,$1
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@ -45,32 +40,7 @@ else
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whole-archive = $(WL)--whole-archive $1 $(WL)--no-whole-archive
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endif
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# All the .mo objects in -m variables are also added into corresponding -y
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# variable in unnest-vars, but filtered out here, when LINK is called.
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#
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# The .mo objects are supposed to be linked as a DSO, for module build. So here
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# they are only used as a placeholders to generate those "archive undefined"
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# symbol options (-Wl,-u,$symbol_name), which are the archive functions
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# referenced by the code in the DSO.
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#
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# Also the presence in -y variables will also guarantee they are built before
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# linking executables that will load them. So we can look up symbol reference
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# in LINK.
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#
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# This is necessary because the exectuable itself may not use the function, in
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# which case the function would not be linked in. Then the DSO loading will
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# fail because of the missing symbol.
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process-archive-undefs = $(filter-out %.a %.fa %.mo %$(DSOSUF),$1) \
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$(addprefix $(WL_U), \
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$(filter $(call defined-symbols,$(filter %.a %.fa, $1)), \
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$(call undefined-symbols,$(filter %.mo %$(DSOSUF),$1)))) \
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$(foreach l,$(filter %.fa,$1),$(call whole-archive,$l)) \
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$(filter %.a,$1)
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extract-libs = $(strip $(foreach o,$(filter-out %.mo %$(DSOSUF),$1),$($o-libs)))
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expand-objs = $(strip $(sort $(filter %.o,$1)) \
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$(foreach o,$(filter %.mo %$(DSOSUF),$1),$($o-objs)) \
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$(filter-out %.o %.mo %$(DSOSUF),$1))
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extract-libs = $(strip $(foreach o,$1,$($o-libs)))
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%.o: %.c
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@mkdir -p $(dir $@)
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@ -83,7 +53,9 @@ expand-objs = $(strip $(sort $(filter %.o,$1)) \
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LINKPROG = $(or $(CXX),$(CC))
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LINK = $(call quiet-command, $(LINKPROG) $(CFLAGS) $(QEMU_LDFLAGS) -o $@ \
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$(call process-archive-undefs, $1) \
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$(filter-out %.a %.fa,$1) \
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$(foreach l,$(filter %.fa,$1),$(call whole-archive,$l)) \
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$(filter %.a,$1) \
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$(call extract-libs,$1) $(LIBS),"LINK","$(TARGET_DIR)$@")
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%.o: %.S
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@ -109,25 +81,11 @@ LINK = $(call quiet-command, $(LINKPROG) $(CFLAGS) $(QEMU_LDFLAGS) -o $@ \
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%.o: %.dtrace
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$(call quiet-command,dtrace -o $@ -G -s $<,"GEN","$(TARGET_DIR)$@")
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DSO_OBJ_CFLAGS := -fPIC -DBUILD_DSO
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module-common.o: CFLAGS += $(DSO_OBJ_CFLAGS)
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%$(DSOSUF): QEMU_LDFLAGS += $(LDFLAGS_SHARED)
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%$(DSOSUF): %.mo
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$(call LINK,$^)
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@# Copy to build root so modules can be loaded when program started without install
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$(if $(findstring /,$@),$(call quiet-command,cp $@ $(subst /,-,$@),"CP","$(subst /,-,$@)"))
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LD_REL := $(CC) -nostdlib $(LD_REL_FLAGS)
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%.mo:
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$(call quiet-command,$(LD_REL) -o $@ $^,"LD","$(TARGET_DIR)$@")
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.PHONY: modules
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modules:
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%$(EXESUF): %.o
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$(call LINK,$(filter %.o %.a %.mo %.fa, $^))
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$(call LINK,$(filter %.o %.a %.fa, $^))
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%.a:
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$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"AR","$(TARGET_DIR)$@")
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@ -160,15 +118,6 @@ define install-prog
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$(if $(STRIP),$(STRIP) $(foreach T,$1,"$2/$(notdir $T)"),)
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endef
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# find-in-path
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# Usage: $(call find-in-path, prog)
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# Looks in the PATH if the argument contains no slash, else only considers one
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# specific directory. Returns an # empty string if the program doesn't exist
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# there.
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find-in-path = $(if $(findstring /, $1), \
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$(wildcard $1), \
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$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
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# Logical functions (for operating on y/n values like CONFIG_FOO vars)
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# Inputs to these must be either "y" (true) or "n" or "" (both false)
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# Output is always either "y" or "n".
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@ -205,175 +154,5 @@ clean: clean-timestamp
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# will delete the target of a rule if commands exit with a nonzero exit status
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.DELETE_ON_ERROR:
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# save-vars
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# Usage: $(call save-vars, vars)
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# Save each variable $v in $vars as save-vars-$v, save their object's
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# variables, then clear $v. saved-vars-$v contains the variables that
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# where saved for the objects, in order to speedup load-vars.
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define save-vars
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$(foreach v,$1,
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$(eval save-vars-$v := $(value $v))
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$(eval saved-vars-$v := $(foreach o,$($v), \
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$(if $($o-cflags), $o-cflags $(eval save-vars-$o-cflags := $($o-cflags))$(eval $o-cflags := )) \
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$(if $($o-libs), $o-libs $(eval save-vars-$o-libs := $($o-libs))$(eval $o-libs := )) \
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$(if $($o-objs), $o-objs $(eval save-vars-$o-objs := $($o-objs))$(eval $o-objs := ))))
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$(eval $v := ))
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endef
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# load-vars
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# Usage: $(call load-vars, vars, add_var)
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# Load the saved value for each variable in @vars, and the per object
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# variables.
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# Append @add_var's current value to the loaded value.
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define load-vars
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$(eval $2-new-value := $(value $2))
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$(foreach v,$1,
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$(eval $v := $(value save-vars-$v))
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$(foreach o,$(saved-vars-$v),
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$(eval $o := $(save-vars-$o)) $(eval save-vars-$o := ))
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$(eval save-vars-$v := )
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$(eval saved-vars-$v := ))
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$(eval $2 := $(value $2) $($2-new-value))
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endef
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# fix-paths
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# Usage: $(call fix-paths, obj_path, src_path, vars)
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# Add prefix @obj_path to all objects in @vars, and add prefix @src_path to all
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# directories in @vars.
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define fix-paths
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$(foreach v,$3,
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$(foreach o,$($v),
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$(if $($o-libs),
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$(eval $1$o-libs := $($o-libs)))
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$(if $($o-cflags),
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$(eval $1$o-cflags := $($o-cflags)))
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$(if $($o-objs),
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$(eval $1$o-objs := $(addprefix $1,$($o-objs)))))
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$(eval $v := $(addprefix $1,$(filter-out %/,$($v))) \
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$(addprefix $2,$(filter %/,$($v)))))
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endef
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# unnest-var-recursive
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# Usage: $(call unnest-var-recursive, obj_prefix, vars, var)
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#
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# Unnest @var by including subdir Makefile.objs, while protect others in @vars
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# unchanged.
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#
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# @obj_prefix is the starting point of object path prefix.
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#
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define unnest-var-recursive
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$(eval dirs := $(sort $(filter %/,$($3))))
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$(eval $3 := $(filter-out %/,$($3)))
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$(foreach d,$(dirs:%/=%),
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$(call save-vars,$2)
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$(eval obj := $(if $1,$1/)$d)
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$(eval -include $(SRC_PATH)/$d/Makefile.objs)
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$(call fix-paths,$(if $1,$1/)$d/,$d/,$2)
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$(call load-vars,$2,$3)
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$(call unnest-var-recursive,$1,$2,$3))
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endef
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# unnest-vars
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# Usage: $(call unnest-vars, obj_prefix, vars)
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#
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# @obj_prefix: object path prefix, can be empty, or '..', etc. Don't include
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# ending '/'.
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#
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# @vars: the list of variable names to unnest.
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#
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# This macro will scan subdirectories's Makefile.objs, include them, to build
|
||||
# up each variable listed in @vars.
|
||||
#
|
||||
# Per object and per module cflags and libs are saved with relative path fixed
|
||||
# as well, those variables include -libs, -cflags and -objs. Items in -objs are
|
||||
# also fixed to relative path against SRC_PATH plus the prefix @obj_prefix.
|
||||
#
|
||||
# All nested variables postfixed by -m in names are treated as DSO variables,
|
||||
# and will be built as modules, if enabled.
|
||||
#
|
||||
# A simple example of the unnest:
|
||||
#
|
||||
# obj_prefix = ..
|
||||
# vars = hot cold
|
||||
# hot = fire.o sun.o season/
|
||||
# cold = snow.o water/ season/
|
||||
#
|
||||
# Unnest through a faked source directory structure:
|
||||
#
|
||||
# SRC_PATH
|
||||
# ├── water
|
||||
# │ └── Makefile.objs──────────────────┐
|
||||
# │ │ hot += steam.o │
|
||||
# │ │ cold += ice.mo │
|
||||
# │ │ ice.mo-libs := -licemaker │
|
||||
# │ │ ice.mo-objs := ice1.o ice2.o │
|
||||
# │ └──────────────────────────────┘
|
||||
# │
|
||||
# └── season
|
||||
# └── Makefile.objs──────┐
|
||||
# │ hot += summer.o │
|
||||
# │ cold += winter.o │
|
||||
# └──────────────────┘
|
||||
#
|
||||
# In the end, the result will be:
|
||||
#
|
||||
# hot = ../fire.o ../sun.o ../season/summer.o
|
||||
# cold = ../snow.o ../water/ice.mo ../season/winter.o
|
||||
# ../water/ice.mo-libs = -licemaker
|
||||
# ../water/ice.mo-objs = ../water/ice1.o ../water/ice2.o
|
||||
#
|
||||
# Note that 'hot' didn't include 'water/' in the input, so 'steam.o' is not
|
||||
# included.
|
||||
#
|
||||
define unnest-vars
|
||||
# In the case of target build (i.e. $1 == ..), fix path for top level
|
||||
# Makefile.objs objects
|
||||
$(if $1,$(call fix-paths,$1/,,$2))
|
||||
|
||||
# Descend and include every subdir Makefile.objs
|
||||
$(foreach v, $2,
|
||||
$(call unnest-var-recursive,$1,$2,$v)
|
||||
# Pass the .mo-cflags and .mo-libs along to its member objects
|
||||
$(foreach o, $(filter %.mo,$($v)),
|
||||
$(foreach p,$($o-objs),
|
||||
$(if $($o-cflags), $(eval $p-cflags += $($o-cflags)))
|
||||
$(if $($o-libs), $(eval $p-libs += $($o-libs))))))
|
||||
|
||||
# For all %.mo objects that are directly added into -y, just expand them
|
||||
$(foreach v,$(filter %-y,$2),
|
||||
$(eval $v := $(foreach o,$($v),$(if $($o-objs),$($o-objs),$o))))
|
||||
|
||||
$(foreach v,$(filter %-m,$2),
|
||||
# All .o found in *-m variables are single object modules, create .mo
|
||||
# for them
|
||||
$(foreach o,$(filter %.o,$($v)),
|
||||
$(eval $(o:%.o=%.mo)-objs := $o))
|
||||
# Now unify .o in -m variable to .mo
|
||||
$(eval $v := $($v:%.o=%.mo))
|
||||
$(eval modules-m += $($v))
|
||||
|
||||
# For module build, build shared libraries during "make modules"
|
||||
# For non-module build, add -m to -y
|
||||
$(if $(CONFIG_MODULES),
|
||||
$(foreach o,$($v),
|
||||
$(eval $($o-objs): CFLAGS += $(DSO_OBJ_CFLAGS))
|
||||
$(eval $o: $($o-objs)))
|
||||
$(eval $(patsubst %-m,%-y,$v) += $($v))
|
||||
$(eval modules: $($v:%.mo=%$(DSOSUF))),
|
||||
$(eval $(patsubst %-m,%-y,$v) += $(call expand-objs, $($v)))))
|
||||
|
||||
# Post-process all the unnested vars
|
||||
$(foreach v,$2,
|
||||
$(foreach o, $(filter %.mo,$($v)),
|
||||
# Find all the .mo objects in variables and add dependency rules
|
||||
# according to .mo-objs. Report error if not set
|
||||
$(if $($o-objs),
|
||||
$(eval $(o:%.mo=%$(DSOSUF)): module-common.o $($o-objs))))
|
||||
$(shell mkdir -p ./ $(sort $(dir $($v))))
|
||||
# Include all the .d files
|
||||
$(eval -include $(patsubst %.o,%.d,$(patsubst %.mo,%.d,$(filter %.o,$($v)))))
|
||||
$(eval $v := $(filter-out %/,$($v))))
|
||||
endef
|
||||
|
||||
print-%:
|
||||
@echo '$*=$($*)'
|
||||
|
||||
@ -91,6 +91,9 @@ case $line in
|
||||
name=${line%=*}
|
||||
echo "#define $name 1"
|
||||
;;
|
||||
HOST_DSOSUF=*)
|
||||
echo "#define HOST_DSOSUF \"${line#*=}\""
|
||||
;;
|
||||
HOST_*=*) # configuration
|
||||
name=${line%=*}
|
||||
value=${line#*=}
|
||||
@ -123,9 +126,6 @@ case $line in
|
||||
value=${line#*=}
|
||||
echo "#define $name $value"
|
||||
;;
|
||||
DSOSUF=*)
|
||||
echo "#define HOST_DSOSUF \"${line#*=}\""
|
||||
;;
|
||||
esac
|
||||
|
||||
done # read
|
||||
|
||||
Loading…
Reference in New Issue
Block a user